Indicative distribution
The areas shown in pink and/purple are the sub-regions where the species or community is known or predicted to occur. They may not occur thoughout the sub-region but may be restricted to certain areas.
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click here to see geographic restrictions).
The information presented in this map is only indicative and may contain errors and omissions.
Scientific name: Prasophyllum innubum
Gazetted date:
28 Mar 2008
Profile last updated:
18 Oct 2022
Description
Prasophyllum innubum is a terrestrial Leek Orchid. It has a single erect bright green tubular leaf 20-50 cm long (7-15 cm of it free above the point of attachment of the inflorescence stalk) and 3-4 mm wide, often withering at the tip in flowering stage. The inflorescence is a loose spike 5-8 cm long, with 6-20 subsessile flowers, each 6-9 mm across and brownish green with white and purplish petals and a white or pink labellum. Flowering occurs between January and February.
Distribution
In New South Wales, Prasophyllum innubum is known from a single population comprising about seven small colonies, totalling about 400 individuals, from a small area about 30 km north-west of Cabramurra and about 17 km south of Talbingo, in the Tumbarumba Local Government Area. The species occurs in Bago State Forest and apparently also on adjacent Crown forestry lease and private freehold. The species is not known to occur in any conservation reserves.
Habitat and ecology
- The species is known only from a highly restricted streamside habitat and Sphagnum hummocks, and rarely on adjacent grassy flats, at altitudes of 1150-1180 m.
Regional distribution and habitat
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Threats
- Threats include grazing, trampling and drainage disturbance of habitat by cattle and/or horses and removal of creek bank soil and disturbance of habitat by mineral fossickers.
- Potential threats also include environmental and demographic stochasticity due to small population size, hydrological change through climate change and/or changes in use and management of adjacent land, off-road vehicle activities, horse trail-riding, and illegal collection.
- Insufficient understanding of taxonomy.
Recovery strategies
A Saving Our Species conservation project is currently being developed for this species and will be available soon. For information on how you can contribute to this species' recovery, see the Activities to assist this species section below.
Activities to assist this species
- Reduce grazing pressures and stabilise stream bank erosion.
- Survey the site at set intervals to investigate population variations.
- Protect habitat from off-road vehicles, horse riding and illegal collection.
Information sources
- NSW Scientific Committee (2008) Prasophyllum innubum (terrestrial orchid) - critically endangered species. Final determination DEC (NSW), Sydney.
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